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Advantage II flea treatment on grey cat

Flea bites can mean misery for your cat.

Fleas don't just make your cat itchy. They keep biting and hurting again and again. 

Advantage® II kills fleas through contact, so you can help protect your cat from the misery of biting fleas.

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The Advantage® II advantage

Advantage® II for cats is a convenient, fragrance-free, monthly topical solution that kills fleas through contact so they don't have to bite your cat to die.

Scroll down for information about using Advantage® II for cats on ferrets.

30 DAY DAY
FLEAS FLEAS
Flea Larvae FLEA LARVAE
Flea Eggs FLEA EGGS

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Product Label Application & Safety Information
Bayer's Advantage II for cats ratings & reviews
  • Advantage® II for cats kills fleas through contact, so fleas do not have to bite your cat to die.

We can help you stop fleas:

  • On Your Cat

    Advantage® II for cats

    Start your comprehensive flea infestation plan with Advantage® II for cats. It kills fleas through contact, so they do not have to bite to die.

    Learn More
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  • In Your Home

    Advantage® Carpet & Upholstery Spot Spray

    This indoor spray kills fleas, brown dog ticks, dust mites and bed bugs.

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  • In Your Yard

    Advantage® Yard and Premise Spray

    This outdoor spray kills insects, fleas and ticks around the perimeter of your home, on your deck and on your patio.

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Advantage II flea treatment on brown cat

Think your indoor cat isn't at risk for fleas? Think again.

  • Adult fleas can come into your home on people's clothing or other pets and you may not even know it. 

    So you might not realize that fleas may already be a problem on your cat. For one thing, due to cats' grooming behavior, it can be difficult to find adult fleas. By the time you recognize what is happening, your cat may have been bitten hundreds of times, and you more than likely will have a flea infestation problem.

    That's why Advantage® II for cats works all month long to break the flea life cycle so you can help protect your cat and prevent an infestation.

See for yourself how Advantage® II gives you the upper hand in the fight against fleas.

  • How to apply Advantage® II for cats

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    View step-by-step details in the process. 0:59

  • Fighting a flea infestation for your cat or dog

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    Discover its importance in helping prevent biting fleas. 1:11

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Save today on Advantage® II for cats.

Help protect your cat from fleas for less.

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Advantage II infographic - fleas on cats


Advantage II being used as a flea treatment for ferrets

Did you know Advantage® II for small cats can also be used on ferrets?

  • It’s the only approved 30-day flea treatment for ferrets without a prescription.*

    *Advantage® II for small cats (0.4 mL) is indicated for ferrets 10 weeks and older and weighing 1 pound or greater.

    See product details Product Label Application and Safety Information

Advantage II fighting fleas on grey cat

The more you know, the better. For both you and your cat.

  • Learn about the ins and outs of fleas, flea infestation, how bites affect your cat, what can happen if left untreated and more.

    Why do fleas keep coming back?Learn More >

    Flea bites can hurt your cat — and your cat's health.Learn More >

Did you know that Advantage® II is also available for dogs? SEE ADVANTAGE® II FOR DOGS

1Dryden MW. (1989) Host association, on-host longevity and egg production of Ctenocephalides felis felis. Vet Parasit. 34(1-2):117-122

2Safeguarding Animals From Summer Heat and Pests: World Animal Foundation website. Available at http://www.worldanimalfoundation.net/companion_animals.html#TOC-Safeguarding-Animals-from-Summer-Heat Accessed January 12, 2017

3Grace SF. Fleas. In: Norsworthy GD, Crystal MA, Grace SF, et al., eds. (2006). The Feline Patient. 3rd ed. Ames, IA: Blackwell Publishing; 106-107